Crystal Onix Snapshot (Pokemon) AI Upscaled by PlatinumShrineArt on DeviantArt

Gen3] shiny Onix in Firered Victory Road w/ repel trick : r/ShinyPokemon

Pokemon Platinum Waterlocke League Plan + Story by ZoraTheTwilightDrake on DeviantArt

Pokémon Adventures: Diamond and Pearl/Platinum, Vol. 4, Book by Hidenori Kusaka, Satoshi Yamamoto, Official Publisher Page

Pokémon Adventures: Diamond and Pearl/Platinum, Vol. 10, Book by Hidenori Kusaka, Satoshi Yamamoto, Official Publisher Page

Back to Basics - A Pokemon Platinum Nuzlocke

onix, geodude, roark, and cranidos (pokemon and 1 more) drawn by star_light

Pokemon 2095 Shiny Onix Pokedex: Evolution, Moves, Location, Stats

Oneon #95.290 - FusionDex

Calaméo - Pokemon - Platinum Detonado

2008 Nintendo DS Pokemon Pocket Monsters Platinum Japanese Version (JPN) Sealed Video Game – VGA NM+/MT 90 on Goldin Auctions